| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_2b8b744d430e252fa21c14c2b8dee176
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_10ed6da739ce747c5acbf10148f3f851 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01S3-50
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G04F10-00 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01S3-50
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G04F10-00 |
| filingDate |
1987-06-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b496d083124b41936cec5ad1dfa26109
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_fad0da9364e00332c61afe3a28e06daa
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e0e4ada1daf36736d1680d02640b7102 |
| publicationDate |
1987-12-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-0249292-A2 |
| titleOfInvention |
Radio direction-finding using time of arrival measurements |
| abstract |
A method and a system for radio direction-finding by measuring the Time of Arrival (ToA) of the leading edge of signals from a distant source at two relatively closely spaced receiving elements. In order to give a good degree of immunity to multipath, the times at which the instantaneous detected amplitudes of the received signals first exceed a minimal threshold value such that received signals can be satisfactorily distinguished from noise is measured in such a manner that the measured time is not affected by multipath which involves more than a few metres additional path length for the indirect, delayed signal. A suitable timing circuit is disclosed. n By making ToA measurements on three coplanar, non-collinear receivers, directions of incidence in three dimensions can be determined. n A method and a system using both ToA and phase-difference measurements can provide the accuracy of interferometry but be simpler and cheaper. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-9637975-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-9637974-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-9637976-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6345188-B1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DE-4314216-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-9637973-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-3021502-A4
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-2251351-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-2251351-B
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6073032-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6091788-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/AU-706930-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6212406-B1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/AU-707072-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/AU-706954-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/AU-710336-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-2847608-A1 |
| priorityDate |
1986-06-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |